What is the value of for any angle ?

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

What is the value of sin⁡2θ+cos⁡2θ\sin^{2}\theta + \cos^{2}\theta for any angle θ\theta? (a) 22 (b) 1 (c) sec⁡2θ\sec^{2}\theta (d) tan⁡2θ\tan^{2}\theta

Related theory

Browse the problem library